Sunspot drawing of 1991-8-31

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https://doi.org/10.7891/e-manuscripta-145788



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1991-08-31
08:15
Hs 1304.6:3256
https://doi.org/10.7891/e-manuscripta-145788
Observer : Michele Bianda
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
464 1 3 J 14 280
465 1 3 J -9 266
466 1 3 J -16 250
467 20 32 D 23 237
470 20 26 C -8 245
472 1 3 J -13 257
473 3 6 C -20 212
474 17 15 C -5 245
475 11 19 D -20 200
478 15 22 D 12 227
479 2 2 B 11 217
480 6 5 B -21 191
12 98 139